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25 votes
25 votes
Why do objects tend to expand when they are heated?

User Genish Parvadia
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1 Answer

12 votes
12 votes

Answer:

Heat causes the molecules to move faster, (heat energy is converted to kinetic energy ) which means that the volume of a gas increases more than the volume of a solid or liquid.

Step-by-step explanation:

Hope this helps

User James Schinner
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